<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
    <style>
        .box {
            width: 100px;
            height: 100px;
            background-color: pink;
        }

        .box1 {
            margin-top: 50px;
        }
    </style>
</head>
<body>
<div class="box">
    <div class="box1">xxxx</div>
</div>

</body>
</html>
